    * {
        margin: 0 0;
        padding: 0 0;
        list-style: none;
        text-decoration: none;
    }
    
    html,
    body,
    #app {
        height: 100%;
        margin: 0;
        padding: 0;
    }
    
    .left {
        float: left;
    }
    
    .right {
        float: right;
    }
    
    .centerH {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        -webkit-transform: translateY(-50%);
        -moz-transform: translateY(-50%);
        -ms-transform: translateY(-50%);
        -o-transform: translateY(-50%);
    }
    
    .centerW {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        -webkit-transform: translateX(-50%);
        -moz-transform: translateX(-50%);
        -ms-transform: translateX(-50%);
        -o-transform: translateX(-50%);
    }
    
    .centerA {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        -webkit-transform: translate(-50%, -50%);
        -moz-transform: translate(-50%, -50%);
        -ms-transform: translate(-50%, -50%);
        -o-transform: translate(-50%, -50%);
    }
    
    .full {
        position: relative;
        width: 100%;
        height: 100%;
        /* background-color: antiquewhite; */
    }